Home / 119,163.21-178,750.96-30,417.48

Finding the Fourth Proportional to 119,163.21, 178,750.96 and 30,417.48

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Solution

The fourth proportional to 119,163.21, 178,750.96 and 30,417.48 is: 45,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,163.21 : 178,750.96 = 30,417.48 : x
  2. Step 2: Convert to fraction form
    119,163.21/178,750.96 = 30,417.48/x
  3. Step 3: Cross multiply
    119,163.21x = 178,750.96 × 30,417.48
  4. Step 4: Simplify right side
    119,163.21x = 5,437,153,598.69
  5. Step 5: Solve for x
    x = 5,437,153,598.69/119,163.21
  6. Step 6: Final answer
    x = 45,627.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.